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证券投资的非线性认知期望收益
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作者 杨春鹏 吕学梁 +1 位作者 杨德平 姜伟 《青岛大学学报(自然科学版)》 CAS 2007年第3期79-83,共5页
在行为金融的假设框架下,基于投资者的非理性认知分布和不确定风险厌恶特征,提出了刻画证券投资收益的非理性认知期望收益和非线性认知期望收益模型,研究了投资者的非理性特征对认知期望收益的影响。结果为,在现实的证券市场中,由于投... 在行为金融的假设框架下,基于投资者的非理性认知分布和不确定风险厌恶特征,提出了刻画证券投资收益的非理性认知期望收益和非线性认知期望收益模型,研究了投资者的非理性特征对认知期望收益的影响。结果为,在现实的证券市场中,由于投资者的非理性认知和投资者对不确定投资的风险厌恶,投资者对证券投资收益的测算,不是传统金融理论所刻画的理性期望收益(基于历史数据决定或由经典的资本资产定价模型所决定),而是由投资者的一些非理性特征来决定。 展开更多
关键词 行为金融 理性期望收益 理性期望收益 非线性期望收益
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Should a Rational Person With Risk-Averse Attitude Gamble? A Case Study of Mark Six in Hong Kong
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作者 Ching Chyi Lee William K. Lau 《Chinese Business Review》 2013年第9期610-615,共6页
Contrary to the conventional wisdom which suggests that a perfectly rational subject with risk-averse attitude should never gamble, this paper provides a vivid example in our real economy for people to expect a positi... Contrary to the conventional wisdom which suggests that a perfectly rational subject with risk-averse attitude should never gamble, this paper provides a vivid example in our real economy for people to expect a positive return to gamble Within the existing literature, scholars have proposed different reasons to explain why an original risk-averse person would start to gamble, with the implicit assumption that the expected payoff of a bet is always lower than its cost. In contrast, our paper discusses when and why a risk-averse person could bet strategically with a positive expected return; in particular, we used field data in Hong Kong to illustrate a vivid scenario for positive expected return in gambling. 展开更多
关键词 expected value decision making under uncertainty RATIONALITY
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